Phase 1

toolkit/models/v2/diffusion_models/qwen_image.py

@@ -0,0 +1,29 @@
+from diffusers import (
+    QwenImageTransformer2DModel as DiffusersQwenImageTransformer2DModel,
+)
+
+from .._mixin import OstrisModelMixin
+
+
+class QwenImageTransformer2DModel(
+    DiffusersQwenImageTransformer2DModel, OstrisModelMixin
+):
+    aitk_subfolder = "transformer"
+    aitk_config_repo = "Qwen/Qwen-Image"
+
+    @classmethod
+    def get_transformer_block_names(cls):
+        return ["transformer_blocks"]
+
+    @classmethod
+    def _load_single_file(cls, file_path, dtype, config_path=None, subfolder=None):
+        # single-file checkpoints in the wild carry diffusers or original key
+        # layouts; diffusers' single-file machinery owns that conversion
+        model = cls.from_single_file(
+            file_path,
+            config=config_path if config_path is not None else cls.aitk_config_repo,
+            subfolder="transformer",
+            torch_dtype=dtype,
+        )
+        model.to(dtype)
+        return model